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You Bendfit | How
It Works | Earth Loops |
| Here Are the Facts on
Residential & Commercial Loops |
Three Basic Geothermal Energy Sources
Closed-loop systems circulate a water-based solution through a "loop
system " of small-diameter, high-density polythylene
underground pipes. Closed-loop systems can be installed
horizontally, vertically or in a pond. Open-loop systems use an
existing water well or surface water. Regardless of whether the
system is open or closed, heat is transferred to or from the
structure to provide year-round comfort, no matter what the outdoor
temperature is. |
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Horizontal Loops
Often used when adequate land surface is available. Depending
on geothermal system needs and space available, pipes are placed
in trenches that range in length from 100 to 400 feet. |
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Vertical Loops
The ideal choice for a geothermal heat pump when available land
surface is limited. Well drilling equipment is used to bore
small-diameter holes from 100 to 400 feet deep. |
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Pond (Lake) Loops
Very economical to install when a large body of water is
available for use by the geothermal heating and cooling system.
Coils of pipe are simply placed on the bottom of the pond or
lake to capture the geothermal energy. |
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Open loops (Well-Water Systems)
In ideal conditions, an open-loop application can be the most
economical type of geothermal system. These use groundwater from
a well as a direct energy source. |
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